Which statement is true of all hormones?
A) They are secreted by glands.
B) There are corresponding receptors on cell surfaces.
C) They stimulate different responses in different cells.
D) They act at very low blood concentrations.
E) There is a specific gene that codes for each hormone.

Question

Quizplus · Accepted Answer

Hormones are effective at very low concentrations in the blood, which is a characteristic feature of their action.

Which Statement Is True of All Hormones